Improving the off-axis spatial resolution and dynamic range of the NIF X-ray streak cameras (invited).

MacPhee, A G; Dymoke-Bradshaw, A K L; Hares, J D; Hassett, J; Hatch, B W; Meadowcroft, A L; Bell, P M; Bradley, D K; Datte, P S; Landen, O L; Palmer, N E; Piston, K W; Rekow, V V; Hilsabeck, T J; Kilkenny, J D

MacPhee, A G; Dymoke-Bradshaw, A K L; Hares, J D; Hassett, J; Hatch, B W; Meadowcroft, A L; Bell, P M; Bradley, D K; Datte, P S; Landen, O L; Palmer, N E; Piston, K W; Rekow, V V; Hilsabeck, T J; Kilkenny, J D.

Afiliación

MacPhee AG; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
Dymoke-Bradshaw AK; Kentech Instruments Ltd., Isis Building, Howbery Park, Wallingford, Oxfordshire OX10 8BD, United Kingdom.
Hares JD; Kentech Instruments Ltd., Isis Building, Howbery Park, Wallingford, Oxfordshire OX10 8BD, United Kingdom.
Hassett J; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
Hatch BW; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
Meadowcroft AL; AWE Aldermaston, Reading, Berkshire RG7 4PR, United Kingdom.
Bell PM; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
Bradley DK; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
Datte PS; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
Landen OL; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
Palmer NE; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
Piston KW; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
Rekow VV; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.
Hilsabeck TJ; General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA.
Kilkenny JD; General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA.

Rev Sci Instrum ; 87(11): 11E202, 2016 Nov.

Article en En | MEDLINE | ID: mdl-27910532

RESUMEN

We report simulations and experiments that demonstrate an increase in spatial resolution of the NIF core diagnostic x-ray streak cameras by at least a factor of two, especially off axis. A design was achieved by using a corrector electron optic to flatten the field curvature at the detector plane and corroborated by measurement. In addition, particle in cell simulations were performed to identify the regions in the streak camera that contribute the most to space charge blurring. These simulations provide a tool for convolving synthetic pre-shot spectra with the instrument function so signal levels can be set to maximize dynamic range for the relevant part of the streak record.

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Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Rev Sci Instrum Año: 2016 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos

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